236109-12-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 236109-12-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,3,6,1,0 and 9 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 236109-12:
(8*2)+(7*3)+(6*6)+(5*1)+(4*0)+(3*9)+(2*1)+(1*2)=109
109 % 10 = 9
So 236109-12-9 is a valid CAS Registry Number.